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How many collision and broadcast domains exist on a 24-port layer 2 switch if it has been configured with 6 VLANs?
6 collision and 24 broadcast
6 collision and 1 broadcast
24 collision and 1 broadcast
1 collision and 24 broadcast
24 collision and 6 broadcast
A layer 2 switch is like a multi-interface hub, where every interface on the switch is a collision domain. On the other hand a L2 switch creates one broadcast domain (supposing that there is only one VLAN). Layer 2 Switches can be configured with different logical groups or Virtual LANs, which are considered independent from its physical or geographic location. With the help of a VLAN a physical switch becomes virtually two, creating a separate broadcast domain.
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